Remove trailing white space.

build-aux/.gitignore

@@ -7,7 +7,7 @@ mdate-sh
 missing
 texinfo.tex
 link-warning.h
-Makefile.in 
+Makefile.in
 mkinstalldirs
 ylwrap
 compile

lib/buildcmd.c

@@ -169,7 +169,7 @@ bc_do_insert (struct buildcmd_control *ctl,
 }
 
 /* get the length of a zero-terminated string array */
-static unsigned int 
+static unsigned int
 get_stringv_len(char** sv)
 {
     char** p = sv;
@@ -180,7 +180,7 @@ get_stringv_len(char** sv)
 }
 
 
-void 
+void
 bc_do_exec(struct buildcmd_control *ctl,
 	   struct buildcmd_state *state)
 {
@@ -193,7 +193,7 @@ bc_do_exec(struct buildcmd_control *ctl,
             (char *) NULL, 0,
             NULL, 0,
             false); /* Null terminate the arg list.  */
-   
+
     /* save original argv data so we can free the memory later */
     argc_orig = state->cmd_argc;
     argv_orig = state->cmd_argv;
@@ -241,7 +241,7 @@ bc_do_exec(struct buildcmd_control *ctl,
         if (r)
         {
             /* success */
-            done += state->cmd_argc; 
+            done += state->cmd_argc;
 
             /* check whether we have any left */
             if (argc_orig - done > ctl->initial_argc)

lib/buildcmd.h

@@ -88,7 +88,7 @@ struct buildcmd_control
 
   /* exec callback. */
   int (*exec_callback)(struct buildcmd_control *, struct buildcmd_state *);
-  
+
   /* If nonzero, the maximum number of nonblank lines from stdin to use
      per command line.  */
   long lines_per_exec;		/* 0 */

xargs/xargs.1

@@ -246,7 +246,7 @@ and is calculated as the argument length limit for exec, less the size
 of your environment, less 2048 bytes of headroom.  If this value is
 more than 128KiB, 128Kib is used as the default value; otherwise, the
 default value is the maximum.  1KiB is 1024 bytes.
-.B xargs 
+.B xargs
 automatically adapts to tighter constraints.
 .TP
 .PD 0

xargs/xargs.c

@@ -439,7 +439,7 @@ main (int argc, char **argv)
        */
       long val;
       assert(bc_ctl.arg_max <= (ARG_MAX-2048));
-#ifdef _SC_ARG_MAX  
+#ifdef _SC_ARG_MAX
       val = sysconf(_SC_ARG_MAX);
       if (val > 0)
 	{
@@ -1047,11 +1047,11 @@ prep_child_for_exec (void)
 
 
 /* Execute the command that has been built in `cmd_argv'.  This may involve
-   waiting for processes that were previously executed. 
-   
+   waiting for processes that were previously executed.
+
    There are a number of cases where we want to terminate the current (child)
-   process.  We do this by calling _exit() rather than exit() in order to 
-   avoid the invocation of wait_for_proc_all(), which was registered by the parent 
+   process.  We do this by calling _exit() rather than exit() in order to
+   avoid the invocation of wait_for_proc_all(), which was registered by the parent
    as an atexit() function.
 */
 static int
@@ -1064,7 +1064,7 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 
   (void) ctl;
   (void) state;
-  
+
   if (!query_before_executing || print_args (true))
     {
       if (proc_max)
@@ -1105,9 +1105,9 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 	  {
 	    close(fd[0]);
 	    child_error = 0;
-	    
+
 	    prep_child_for_exec();
-	    
+
 	    execvp (bc_state.cmd_argv[0], bc_state.cmd_argv);
 	    if (errno)
 	      {
@@ -1125,7 +1125,7 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 		 */
 		write(fd[1], &errno, sizeof(int));
 	      }
-	      
+
 	    close(fd[1]);
 	    if (E2BIG != errno)
 	      {
@@ -1134,7 +1134,7 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 		 * because the parent will test our value of errno.
 		 */
 		_exit (errno == ENOENT ? 127 : 126);
-	      
+
 	      }
 	  /*NOTREACHED*/
 	  } /* child */
@@ -1144,10 +1144,10 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 	    /* Parent */
 	    close(fd[1]);
 	  }
-	  
+
 	} /* switch(child) */
       /*fprintf(stderr, "forked child (bc_state.cmd_argc=%d) -> ", bc_state.cmd_argc);*/
-      
+
       switch (r = read(fd[0], &buf, sizeof(int)))
 	{
 	case -1:
@@ -1156,26 +1156,26 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 	    error(0, errno, "errno-buffer read failed in xargs_do_exec (BUG?)");
 	    break;
 	  }
-	  
+
 	case sizeof(int):
 	  {
 	    /* Failure */
 	    int childstatus;
-	    
+
 	    close(fd[0]);
-	    
+
 	    /* we know the child is about to exit, so wait for that.
-	     * We have to do this so that wait_for_proc() does not 
-	     * change the value of child_error on the basis of the 
+	     * We have to do this so that wait_for_proc() does not
+	     * change the value of child_error on the basis of the
 	     * return value -- since in this case we did not launch
 	     * the utility.
 	     *
-	     * We do the wait before deciding if we failed in order to 
+	     * We do the wait before deciding if we failed in order to
 	     * avoid creating a zombie, even briefly.
 	     */
 	    waitpid(child, &childstatus, 0);
-	    
-	    
+
+
 	    if (E2BIG == buf)
 	      {
 		return 0; /* Failure; caller should pass fewer args */
@@ -1190,7 +1190,7 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 	      }
 	    break;
 	  }
-	  
+
 	case 0:
 	  {
 	    /* Failed to read data from pipe; the exec must have
@@ -1202,7 +1202,7 @@ xargs_do_exec (struct buildcmd_control *ctl, struct buildcmd_state *state)
 	    add_proc (child);
 	    break;
 	  }
-	default: 
+	default:
 	  {
 	    error(1, errno, "read returned unexpected value %d! BUG?", r);
 	  }
@@ -1348,7 +1348,7 @@ static void
 wait_for_proc_all (void)
 {
   static boolean waiting = false;
-  
+
   /* This function was registered by the original, parent, process.
    * The child processes must not call exit() to terminate, since this
    * will mean that their exit status will be inappropriately changed.